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Silver 2U rackmount NAS with twelve front drive bays and front panel LEDs

Synology Inc.

Synology RS3626xs Xeon D-1726 12-bay rackmount NAS 8GB 1.6TB cache 192TB

SKU CH-6ZNA-5TY56

Twelve-bay rackmount NAS with Xeon D-1726, 8GB DDR4, 1.6TB cache and 192TB of Synology Enterprise drives, fully assembled and tested

  • CPUIntel Xeon
  • Form factor12-Bay
  • LAN ports2 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port
  • USB ports2 x USB 3.2 Gen 1 Ports
  • Installed RAM8 GB
  • Drives included192 TB (12 × 16 TB)
  • 6-core Xeon D-1726 handles demanding business workloads
  • 8 GB DDR4 ECC memory expandable to 48 GB
  • Dual 10GbE RJ-45 ports with link aggregation and failover
  • 6 TB enterprise SSD cache accelerates frequent data access
  • 192 TB raw capacity from twelve 16 TB enterprise drives

Enterprise 12-bay rackmount NAS

The Synology RS3626xs is a 2U rackmount network-attached storage server built for organisations that need centralised file storage, virtualization hosting, and multi-site collaboration. It ships fully assembled with twelve 16 TB enterprise drives, 1.6 TB of SSD cache, and 8 GB of DDR4 ECC memory.

Capacity and headroom

Raw capacity totals 192 TB across twelve 3.5-inch SATA bays, while the 1.6 TB cache tier accelerates frequent workloads. Sequential throughput reaches 6,300 MB/s read and 3,700 MB/s write under vendor test conditions, and memory can be expanded to 48 GB for larger virtualization environments.

Thermals noise and power

The unit operates from 0 °C to 35 °C with redundant 100–240 VAC power supplies that maintain uptime during a single supply failure. Dual 10GbE RJ-45 ports support link aggregation and failover without additional cards, and two PCIe 4.0 x8 slots remain available for future networking or storage upgrades.

How it compares

Measured against everything we stock in Rack-Mounted NAS Servers, at today’s prices. Recalculated every night.

Price $15,684.99
Pricier than about 89% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS3626xs
Processor
CPUIntel Xeon
Memory
Installed RAM8 GB
Storage
Drives included192 TB (12 × 16 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports2 x RJ-45 10GbE LAN Port
1 x Out-of-Band Management LAN Port
USB ports2 x USB 3.2 Gen 1 Ports
Power
Power details100-240 VAC 50/60 Hz
Size & build
Form factor12-Bay
Product dimensions88 mm × 482 mm × 724 mm
Product weight14.5 kg
In the box
In the boxMain Unit × 1
Accessory Pack × 1
C13 to C14 power cord × 2
Front Cover × 1
All Configuration Items
Environment & compliance
Temperature range0 °C to 35 °C (32 °F to 95 °F)
Humidity range8% to 80% RH
More details
Indicator lightsPower, HDD (Hard Disk Drive), LAN (10/100)

Questions about this item

Will the two 10GbE RJ-45 ports on the RS3626xs work with my existing 1GbE switches?

Yes, the 10GbE ports auto-negotiate down to 1GbE so they connect to older switches without extra configuration.

How can I confirm the 1.6TB Synology Enterprise cache is active after setup?

Open DSM Storage Manager; the cache devices appear under SSD Cache with status "Normal" and the configured capacity shown.

Does the package include the twelve 16TB Synology Enterprise NAS drives and the 1.6TB cache modules?

Yes, the shipment contains the main unit, 12 x 16TB drives, 2 x 800GB cache modules, accessory pack, two C13-C14 power cords and a front cover.

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